CN103743815A - System and method for ultrasonically testing multi-layer interface welding quality of bend composite part - Google Patents
System and method for ultrasonically testing multi-layer interface welding quality of bend composite part Download PDFInfo
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Abstract
The invention discloses a system and a method for ultrasonically testing multi-layer interface welding quality of a bend composite part. The ultrasonic testing system comprises a centering tool, a flexible pipe, a probe, a driving mechanism and a flaw detector, wherein the centering tool is used for being inserted into an elbow pipe and is in a shape of a hollow pipe; a window communicated with inner and outer side faces of the centering tool is formed in the side wall of the centering tool; annular bulges are formed in the upper and lower sides of the window; the annular bulges are positioned on the outer side face of the centering tool and is in clearance fit with the inner wall of the elbow pipe; the centering tool, the annular bulges and the flexible pipe are made of plastics; an elbow pipe composite part comprises a first metal pipe formed by a first metal, a second metal pipe formed by a second metal, and a block body which is formed by a third metal and is provided with a through hole; the second metal pipe is inserted into the through hole and is welded with the block body; the first metal pipe is an elbow pipe, is inserted into the second metal pipe and is welded with the second metal pipe. According to the technical scheme, accurate positioning and quantitative determination of welding quality defects of two interfaces of the bend composite part are realized.
Description
Technical field
The present invention relates to ultrasonic detection technology field, relate generally to a kind of ultrasonic wave detecting system and method for bend pipe composite members multilayer interfacial weld quality.
Background technology
For the connection of new material and the manufacture of complicated fine structure part, Pervasion Weld Technology relies on unique superiority and the application of dirigibility in manufacturing industry more and more extensive, and is more and more applied to the connection of vitals.
International thermonuclear fusion test reactor (ITER) device divertor target plate parts have been selected this interconnection technique.Concrete scheme is: first by oxygen-free copper pipe (liner adaptation layer) with have that the tungsten of round tube hole is packaged joins and weld formation oxygen-free copper liner tungsten piece, then use chromium zirconium copper bend pipe (heat sink) that a plurality of oxygen-free copper liner tungsten pieces are connected in series by diffusion welding.Because these block perforating tube structure parts have been introduced the compound of three kinds of different metals in preparation technology, two interfaces have been formed, and the actual condition of these parts is high heat load region, when thermonuclear fusion device is used, the defect of any combination (compound) quality all may be brought out parts damages, and then affects the operation of whole device.For this reason, this structure member must give strict Non-Destructive Testing to each weld interface before use, guarantees each welding technology and up-to-standard.
Because the feature of this structure member is inner circle foreign side, and crooked.For the Non-Destructive Testing of a plurality of interfacial weld quality of this type of inner circle foreign side bend pipe composite members, that conventional method mainly contains is ultrasonic, ray, Infrared Transient imaging and eddy current.Wherein, ray has cost height and penetrates the problems such as tungsten ability, and latter two detection method has the problem that accuracy of detection is low, particularly eddy current is lower for the unsticking flaw detection sensitivity that is parallel to inwall in bend pipe composite members, all can not realize effectively detecting of diameter 2mm debonding defect.Ultrasonic detecting technology has the features such as detection method is simple, precision is high, reliable results when detecting weld interface quality.But when detecting the multilayer interfacial weld quality of this pipe with small pipe diameter bend pipe composite members, there are two problems: 1) general probing shell or more slightly or longer, cannot insert in pipe with small pipe diameter bend pipe; 2) enable to insert, also can exist cannot be in bend pipe centering location and controlled movement, and then can cause detecting or undetected.
Summary of the invention
In order to solve the problem of prior art, the embodiment of the present invention provides a kind of ultrasonic wave detecting system and method for bend pipe composite members multilayer interfacial weld quality.
Described ultrasonic wave detecting system comprises: the centering tooling that is arranged in described the first metal tube, be hollow tubular, on sidewall, have the window that is communicated with the inside and outside side of described centering tooling, upside and the downside of described window are provided with annular projection, described annular projection is positioned on the lateral surface of described centering tooling, and with described the first metal tube clearance fit; Be arranged in the probe of described centering tooling, there is piezoelectric chip and shell, be fixed on described piezoelectric chip on the side of described shell over against described window, to the inwall of described bend pipe composite members, send incident ultrasound wave and receive reflection supersonic wave; Driving mechanism, is connected with described centering tooling by flexible pipe, drives described centering tooling rotation stepping and moves up and down; The defectoscope being connected with described probe by probe wire, the reflection ultrasonic signal receiving from described probe detects the welding quality of the welding quality of described the second metal tube and described blocks interface and described the second metal tube and described the first metal tube interface; Wherein, the material of described centering tooling, described annular projection and described flexible pipe is plastics; Described bend pipe composite members comprises: the first metal tube being formed by the first metal, the second metal tube being formed by the second metal and the blocks with through hole being formed by the 3rd metal; Described the second metal tube inserts in described through hole and with described blocks and welds, and described the first metal tube is a bend pipe, and described the first metal tube inserts in described the second metal tube and with described the second metal tube and welds.
In ultrasonic wave detecting system as above, preferably, the inwall of described flexible pipe is connected with the lateral surface of described centering tooling.
In ultrasonic wave detecting system as above, preferably, on described inwall, be provided with draw-in groove; On the lateral surface of described centering tooling, be provided with the fixture block engaging with described draw-in groove.
In ultrasonic wave detecting system as above, preferably, the material of described centering tooling, described annular projection and described flexible pipe is polytetrafluoroethylplastic plastic.
In ultrasonic wave detecting system as above, preferably, described probe be take water as couplant, describedly take incident ultrasound wave that probe that water is couplant sends and focuses on the interface of described the first metal tube and described the second metal tube.
In ultrasonic wave detecting system as above, preferably, the wall thickness of described the first metal tube and described the second metal tube is 1～2mm.
In ultrasonic wave detecting system as above, preferably, described the first metal is chromium zirconium copper, described the second metal is oxygen-free copper, described the 3rd metal is tungsten, described bend pipe composite members is for thermonuclear fusion experimental reactor device divertor target plate parts, and preferably the welding manner between welding manner, described the second metal tube and the described blocks between described the first metal tube and described the second metal tube is diffusion welding.
Described ultrasonic detection method, comprises the following steps: step S10, the probe that is connected with probe wire is passed in flexible pipe, and be fixed in centering tooling, the piezoelectric chip of described probe is over against the window on the sidewall of described centering tooling; Step S20, inserts described centering tooling in described the first metal tube, and sets and detect reference position; Step S30, described piezoelectric chip excites high-frequency narrow-pulse incident ultrasound wave under the electric pulse excitation of defectoscope, described incident ultrasound wave impinges perpendicularly on the inwall of described bend pipe composite members, and enter in described bend pipe composite members along the radially transmission of described bend pipe composite members, defectoscope receives the reflection ultrasonic signal transforming through described probe simultaneously; Step S40, described probe carries out the full scanning of measuring to the inwall of described bend pipe composite members under the driving of driving mechanism, obtain the ultrasonic signal of described bend pipe composite members, described defectoscope extracts the ultrasonic signal of described bend pipe composite members, obtains time domain full-wave train reflectogram; Step S50, described defectoscope is processed described time domain full-wave train reflectogram, obtain respectively the A sweep figure of described the second metal tube and described blocks interface and described the second metal tube and described the first metal tube interface, the B of angularity correction, C and D scintigram, realize the detection to the interface welding quality of described bend pipe composite members.
In ultrasonic detection method as above, preferably, described step S40 specifically comprises: described bend pipe composite members to be detected maintains static, described probe passes through the driving of driving mechanism along the axially dilatory scanning of described the first metal tube, complete after a scanning, again along stepping one angle that rotates in a circumferential direction of described the first metal tube, and described probe is pushed back to scanning starting point start another scanning, described scanning starting point and described detection reference position are positioned on same circumference, so circulation, completes full measurement scanning.
In ultrasonic detection method as above, preferably, described step S50 specifically comprises: described defectoscope is according to the first metal tube described in described bend pipe composite members to be detected, the thickness of described blocks and described the second metal tube and material sound conductive performance, stimulating frequency and yield value are set, with on described time domain full-wave train reflectogram, arrange gate width and height, thereby obtain the A sweep figure of described the second metal tube and described blocks interface and described the second metal tube and described the first metal tube interface, the B of angularity correction, C and D scintigram, the detection of realization to the interface welding quality of described bend pipe composite members.
The beneficial effect that the embodiment of the present invention is brought is as follows:
By flexible pipe and be fixed on immersion probe on centering tooling in bend pipe composite members scanning vertically and along rotate in a circumferential direction stepping and scanning collection of illustrative plates with reference to the accurate orientational and quantificational detection of realizing defects such as engaging a little less than bend pipe composite members interface and peel off.Guaranteed the accurate reliable detection to quality of connection between square tungsten block in bend pipe composite members and liner adaptation layer (oxygen-free copper pipe) and liner adaptation layer and heat sink pipe (chromium zirconium copper bend pipe), for the process modification of parts and mass, check and accept reliable guarantee is provided, solved the problem that in actual production, existing Non-Destructive Testing cannot effectively detect.This detection system and method have very strong practicality and validity, while has again detection system and method is simple, efficient, precision high, through this system and method, detect qualified bend pipe composite members and can bear high heat load circulation impact, be applicable in the thermonuclear fusion device of long pulse, high parameter.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of chromium zirconium copper bend pipe of providing of the embodiment of the present invention;
Fig. 2 is the radial section schematic diagram of a kind of bend pipe composite members of providing of the embodiment of the present invention;
Fig. 3 is the axial section schematic diagram of a kind of bend pipe composite members of providing of the embodiment of the present invention;
Fig. 4 is a kind of probe and the detection schematic diagram of centering tooling in bend pipe composite members that the embodiment of the present invention provides;
Fig. 5 is the comb formula scanning schematic diagram that the embodiment of the present invention provides;
Fig. 6 is the oxygen-free copper pipe that provides of the embodiment of the present invention and the A sweep figure of chromium zirconium copper bend pipe interface;
Fig. 7 is the oxygen-free copper pipe that provides of the embodiment of the present invention and the B scintigram of chromium zirconium copper bend pipe interface;
Fig. 8 is the oxygen-free copper pipe that provides of the embodiment of the present invention and the C scintigram of chromium zirconium copper bend pipe interface;
Fig. 9 is the oxygen-free copper pipe that provides of the embodiment of the present invention and the D scintigram of chromium zirconium copper bend pipe interface;
Wherein, in figure, symbol description is as follows:
1 incident ultrasound wave focuses on situation, 2 shells, 3 piezoelectric chips, 4 centering toolings, 10 tungsten pieces, 20 oxygen-free copper pipes, 30 chromium-zirconium-copper tubes.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Ultrasonic wave detecting system and the method for the bend pipe composite members multilayer interfacial weld quality that the embodiment of the present invention provides, applicable bend pipe composite members comprises: the first metal tube being formed by the first metal, the second metal tube being formed by the second metal and the blocks with through hole being formed by the 3rd metal; The second metal tube inserts in through hole and with blocks and welds, and the first metal tube is a bend pipe, and the first metal tube inserts in the second metal tube and with the second metal tube and welds.For simplicity, in the present invention, all take the first metal as chromium zirconium copper in about the embodiment of ultrasonic wave detecting system and method, the second metal is oxygen-free copper, the 3rd metal is that tungsten is that example describes, this ultrasonic wave detecting system and method are particularly useful for having the bend pipe composite members of following size, the first metal tube is partially carefully partially thin (internal diameter 10～12mm for example of chromium zirconium copper bend pipe 30, wall thickness 1～2mm), the second metal tube is oxygen-free copper pipe 20 partially thin (for example thick 1～2mm), blocks is that tungsten piece 10 is square, between chromium zirconium copper bend pipe 30 and oxygen-free copper pipe 20, by diffusion welding, link together, between oxygen-free copper pipe 20 and tungsten piece 10, by diffusion welding, link together.Figure 1 shows that the structural representation of chromium zirconium copper bend pipe.
Shown in Fig. 1～Fig. 5, the ultrasonic wave detecting system of the bend pipe composite members multilayer interfacial weld quality that the embodiment of the present invention provides, comprises centering tooling 4, probe, flexible pipe, driving mechanism, defectoscope.
Wherein, probe is used for sending incident ultrasound wave and receives reflection supersonic wave.It comprises piezoelectric chip 3 and shell 2, and piezoelectric chip 3 is positioned on the side of shell (probe hard section) 2, with side direction, sends incident ultrasound wave.For the ease of probe, in bend pipe composite members, move, the length of shell 2 is shorter, for example: the length of chromium zirconium copper bend pipe 30 is 220mm, and the length of shell 2 is 25mm, particularly, can be determined by the diameter of piezoelectric chip and the radius-of-curvature of chromium zirconium copper bend pipe 30.Because chromium zirconium copper bend pipe 30 and oxygen-free copper pipe 20 in bend pipe composite members are partially thin, therefore probe is preferably high strength, high frequency, burst pulse, concentration ultrasonic.Further, probe be take water as couplant, and also referred to as immersion probe, it focuses on the interface of chromium zirconium copper bend pipe 30 and oxygen-free copper pipe 20, and this frequency probe is 15MHz, and the focal length of piezoelectric chip is 11mm.In practice, frequency probe need be determined according to the first metal, the second metal and the 3rd material property of metal and the difference of thickness.
Centering tooling 4, for realizing probe when bend pipe composite members being carried out to full measurement scanning, sends incident ultrasound wave in the mode perpendicular to bend pipe composite members inwall (chromium zirconium copper bend pipe 30 inwalls).Centering tooling is hollow tubular, and its internal diameter mates (clearance fit) with the diameter of shell (hard section) 2, to hold, pops one's head in wherein.On sidewall, have window, the diameter of this window is consistent with the diameter of piezoelectric chip 3, and this window is over against piezoelectric chip 3, so that the incident ultrasound wave that piezoelectric chip 3 sends passes through window vertical sand shooting to bend pipe composite members.Upside and downside at window are provided with annular projection, it is positioned on the lateral surface of centering tooling 4, and external diameter mates (annular projection and chromium zirconium copper bend pipe clearance fit) with the internal diameter of chromium zirconium copper bend pipe 30, for example, the external diameter of annular projection is 11.95mm, and the internal diameter of chromium zirconium copper bend pipe is 12mm.In practice, annular projection and centering tooling 4 are preferably one.When detecting, centering tooling 4 need be inserted in bend pipe composite members to be detected vertically.In order to make centering tooling 4 and annular projection have suitable flexibility and hardness, its material is plastics, is preferably polytetrafluoroethylplastic plastic.So, can realize the profiling in chromium zirconium copper bend pipe 30 of centering tooling 4 and annular projection, thereby realize probe when full measurement scanning, in 30 interior accurate profiling and the movements of chromium zirconium copper bend pipe, and then guarantee movement in chromium zirconium copper bend pipe 30 with on defectoscope, arrange consistent, thereby realize probe vertical, in the inwall of bend pipe composite members, send incident ultrasound wave.
Driving mechanism, by flexible pipe, be connected with centering tooling 4, it comprises: for driving the rotation stepper drive unit of centering tooling 4 rotation step motions and for driving the driver element that moves up and down that centering tooling 4 moves up and down, particularly, rotation stepping unit can be rotating stepper motor, and moving up and down driver element is chain type reciprocating mechanism.Wherein the material of flexible pipe is also plastics, is preferably polytetrafluoroethylplastic plastic.Preferably, the inwall of flexible pipe is connected with the lateral surface of centering tooling, and this connection can, for being threaded, can also be socket (grafting).In order to increase the intensity of junction, on the lateral surface of centering tooling, be provided with fixture block, the shape of this fixture block is preferably triangle, is provided with the draw-in groove engaging with above-mentioned fixture block on the inwall of flexible pipe.
Defectoscope, is connected with probe by probe wire, and the reflection ultrasonic signal that reception comes from probe detects with the welding quality of chromium zirconium copper bend pipe 30 interfaces oxygen-free copper pipe 20 and welding quality and the oxygen-free copper pipe 20 of tungsten piece 10 interfaces.Because the embodiment of the present invention adopts ultrasound wave, the welding quality of interface is detected, so this detects also referred to as Ultrasonic Nondestructive.
By adopting centering tooling, annular projection and flexible pipe to guarantee probe scanning vertically and along in the process of the stepping that rotates in a circumferential direction in bend pipe composite members, (the incident ultrasound wave of transmission is all perpendicular to the inwall of bend pipe composite members in probe centering location,) and be easy to controlled movement, and then realize the accurate orientational and quantificational detection to two interfacial weld mass defects of bend pipe composite members.
Another embodiment of the present invention also provides the ultrasonic detection method of the bend pipe composite members multilayer interfacial weld quality based on above-mentioned ultrasonic wave detecting system, and it comprises the steps:
Step S10 passes the probe that is connected with probe wire in flexible pipe, is fixed in centering tooling 4, and the piezoelectric chip of probe is over against the window on the sidewall of centering tooling;
Step S20, inserts centering tooling 4 in chromium zirconium copper bend pipe 30, and sets and detect reference position;
Step S30, piezoelectric chip 3 excites high-frequency narrow-pulse incident ultrasound wave under the electric pulse excitation of defectoscope, this incident ultrasound wave impinges perpendicularly on the inwall of bend pipe composite members, and enter in bend pipe composite members along the radially transmission of bend pipe composite members, defectoscope receives the reflection ultrasonic signal transforming through probe simultaneously;
Step S40, probe carries out the full scanning of measuring to the inwall of bend pipe composite members under the driving of driving mechanism, obtains the ultrasonic signal of bend pipe composite members, and defectoscope extracts the reflection ultrasonic signal of bend pipe composite members, obtains time domain full-wave train reflectogram;
Particularly, bend pipe composite members to be detected is maintained static, probe passes through the driving of driving mechanism along the axially dilatory scanning of chromium zirconium copper bend pipe, complete after a scanning, again along stepping one angle that rotates in a circumferential direction of chromium zirconium copper bend pipe, and probe pushed back to scanning starting point start another scanning, this scanning starting point with detect reference position and be positioned on same circumference, so circulation, completes full measurement scanning.Probe in bend pipe composite members, draws vertically scanning and edge rotates in a circumferential direction stepping also referred to as the scanning of comb formula, as shown in Figure 5.
Step S50, defectoscope is processed time domain full-wave train reflectogram, obtain respectively the A sweep figure of oxygen-free copper pipe and tungsten piece interface and oxygen-free copper pipe and chromium zirconium copper bend pipe interface, the B of angularity correction, C and D scintigram, realize the detection to the interface welding quality of bend pipe composite members.
Particularly, according to thickness and the material sound conductive performance of oxygen-free copper pipe, tungsten piece and chromium zirconium copper bend pipe in bend pipe composite members to be detected, by the pop one's head in hyperacoustic parameter of incident that sends and gate width is set on time domain full-wave train reflectogram and height of adjustment, thereby obtain the A sweep figure of oxygen-free copper pipe and tungsten piece interface and oxygen-free copper pipe and chromium zirconium copper bend pipe interface, the B of angularity correction, C and D scintigram, realize the detection to the interface welding quality of bend pipe composite members.This parameter comprises: stimulating frequency, yield value and focal length,
When detecting, pass through the artificial Embedded defect standard specimen of design, and adjust according to the A sweep figure at respective interface place, the B of angularity correction, C and D scintigram, the accurate orientational and quantificational detection of realization to the welding quality of two of composite members combination interfaces, and then set examination criteria according to different thermal load demands and test.In order to improve accuracy of detection, for different combination interfaces, different detected parameters and determining defects standard need be set.This ultrasonic wave detecting system be particularly useful for detecting weld interface place weak binding, the defect such as peel off.As shown in Fig. 6～9, be respectively the A sweep figure of chromium zirconium copper bend pipe and oxygen-free copper pipe interface, the B of angularity correction, C and D scintigram.
In sum, beneficial effect of the present invention is as follows:
By flexible pipe and be fixed on immersion probe on centering tooling in bend pipe composite members scanning vertically and along rotate in a circumferential direction stepping and scanning collection of illustrative plates with reference to the accurate orientational and quantificational detection of realizing defects such as engaging a little less than bend pipe composite members interface and peel off.Guaranteed the accurate reliable detection to quality of connection between square tungsten block in bend pipe composite members and liner adaptation layer (oxygen-free copper pipe) and liner adaptation layer and heat sink pipe (chromium zirconium copper bend pipe), for the process modification of parts and mass, check and accept reliable guarantee is provided, solved the problem that in actual production, existing Non-Destructive Testing cannot effectively detect.This detection system and method have very strong practicality and validity, while has again detection system and method is simple, efficient, precision high, through this system and method, detect qualified bend pipe composite members and can bear high heat load circulation impact, be applicable in the thermonuclear fusion device of long pulse, high parameter.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a ultrasonic wave detecting system for bend pipe composite members multilayer interfacial weld quality, described bend pipe composite members comprises: the first metal tube being formed by the first metal, the second metal tube being formed by the second metal and the blocks with through hole being formed by the 3rd metal; Described the second metal tube inserts in described through hole and with described blocks and welds, described the first metal tube is a bend pipe, described the first metal tube inserts in described the second metal tube and with described the second metal tube and welds, and it is characterized in that, described ultrasonic wave detecting system comprises:
Be arranged in the centering tooling of described the first metal tube, be hollow tubular, on sidewall, have the window that is communicated with the inside and outside side of described centering tooling, upside and the downside of described window are provided with annular projection, described annular projection is positioned on the lateral surface of described centering tooling, and with described the first metal tube clearance fit;
Be arranged in the probe of described centering tooling, there is piezoelectric chip and shell, be fixed on described piezoelectric chip on the side of described shell over against described window, to the inwall of described bend pipe composite members, send incident ultrasound wave and receive reflection supersonic wave;
Driving mechanism, is connected with described centering tooling by flexible pipe, drives described centering tooling rotation stepping and moves up and down;
The defectoscope being connected with described probe by probe wire, the reflection ultrasonic signal receiving from described probe detects the welding quality of the welding quality of described the second metal tube and described blocks interface and described the second metal tube and described the first metal tube interface;
Wherein, the material of described centering tooling, described annular projection and described flexible pipe is plastics.
2. ultrasonic wave detecting system according to claim 1, is characterized in that, the inwall of described flexible pipe is connected with the lateral surface of described centering tooling.
3. ultrasonic wave detecting system according to claim 2, is characterized in that, on described inwall, is provided with draw-in groove;
On the lateral surface of described centering tooling, be provided with the fixture block engaging with described draw-in groove.
4. ultrasonic wave detecting system according to claim 1, is characterized in that, the material of described centering tooling, described annular projection and described flexible pipe is polytetrafluoroethylplastic plastic.
5. ultrasonic wave detecting system according to claim 1, is characterized in that, described probe be take water as couplant, describedly take incident ultrasound wave that probe that water is couplant sends and focuses on the interface of described the first metal tube and described the second metal tube.
6. ultrasonic wave detecting system according to claim 1, is characterized in that, the wall thickness of described the first metal tube and described the second metal tube is 1～2mm.
7. ultrasonic wave detecting system according to claim 1, it is characterized in that, described the first metal is chromium zirconium copper, described the second metal is oxygen-free copper, described the 3rd metal is tungsten, described bend pipe composite members is for thermonuclear fusion experimental reactor device divertor target plate parts, and preferably the welding manner between welding manner, described the second metal tube and the described blocks between described the first metal tube and described the second metal tube is diffusion welding.
8. a ultrasonic detection method, utilizes arbitrary described ultrasonic wave detecting system of claim 1～7 to detect bend pipe composite members multilayer interfacial weld quality, it is characterized in that, described ultrasonic detection method comprises the following steps:
Step S10 passes the probe that is connected with probe wire in flexible pipe, is fixed in centering tooling, and the piezoelectric chip of described probe is over against the window on the sidewall of described centering tooling;
Step S20, inserts described centering tooling in described the first metal tube, and sets and detect reference position;
Step S30, described piezoelectric chip excites high-frequency narrow-pulse incident ultrasound wave under the electric pulse excitation of defectoscope, described incident ultrasound wave impinges perpendicularly on the inwall of described bend pipe composite members, and enter in described bend pipe composite members along the radially transmission of described bend pipe composite members, defectoscope receives the reflection ultrasonic signal transforming through described probe simultaneously;
Step S40, described probe carries out the full scanning of measuring to the inwall of described bend pipe composite members under the driving of driving mechanism, obtain the ultrasonic signal of described bend pipe composite members, described defectoscope extracts the ultrasonic signal of described bend pipe composite members, obtains time domain full-wave train reflectogram;
Step S50, described defectoscope is processed described time domain full-wave train reflectogram, obtain respectively the A sweep figure of described the second metal tube and described blocks interface and described the second metal tube and described the first metal tube interface, the B of angularity correction, C and D scintigram, realize the detection to the interface welding quality of described bend pipe composite members.
9. ultrasonic detection method according to claim 8, is characterized in that, described step S40 specifically comprises:
Described bend pipe composite members to be detected maintains static, described probe passes through the driving of driving mechanism along the axially dilatory scanning of described the first metal tube, complete after a scanning, again along stepping one angle that rotates in a circumferential direction of described the first metal tube, and described probe is pushed back to scanning starting point start another scanning, described scanning starting point and described detection reference position are positioned on same circumference, and so circulation completes full measurement scanning.
10. ultrasonic detection method according to claim 8, is characterized in that, described step S50 specifically comprises:
Described defectoscope is according to thickness and the material sound conductive performance of the first metal tube described in described bend pipe composite members to be detected, described blocks and described the second metal tube, stimulating frequency and yield value are set, with on described time domain full-wave train reflectogram, arrange gate width and height, thereby obtain the A sweep figure of described the second metal tube and described blocks interface and described the second metal tube and described the first metal tube interface, the B of angularity correction, C and D scintigram, realize the detection to the interface welding quality of described bend pipe composite members.
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| CN105353035A (en) * | 2015-11-12 | 2016-02-24 | 青岛发现检验技术咨询有限公司 | Method for detecting TKY tube node by using phased array |
| CN105353035B (en) * | 2015-11-12 | 2018-07-10 | 青岛发现检验技术咨询有限公司 | It is a kind of using phased array to the detection method of TKY pipe nodes |
| CN106442732A (en) * | 2016-10-28 | 2017-02-22 | 北京安泰中科金属材料有限公司 | Ultrasonic detection device and method for multi-layered composite interface of metal pipe fitting |
| CN106442732B (en) * | 2016-10-28 | 2019-03-15 | 北京安泰中科金属材料有限公司 | The supersonic detection device and supersonic detection method at metal tube MULTILAYER COMPOSITE interface |
| CN114137084A (en) * | 2021-11-26 | 2022-03-04 | 合肥聚能电物理高技术开发有限公司 | Ultrasonic detection device and method for tungsten copper string of EAST (earth-insulated metal-insulator-metal) lower divertor |
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